Insecure library loading in Samba - CVE-2017-7494
Published: May 24, 2017 / Updated: March 30, 2023
Vulnerability identifier: #VU6676
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/U:Green
CVE-ID: CVE-2017-7494
CWE-ID: CWE-426
Exploitation vector: Adjecent network
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Samba
Affected software:
Samba
Samba
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to execute arbitrary code on vulnerable server.
The vulnerability exists due to insecure library loading mechanism, when processing files on file shares. A remote attacker with ability to upload file on SMB share can upload and execute arbitrary shared library on the server with privileges of the Samba process.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
The vulnerability exists due to insecure library loading mechanism, when processing files on file shares. A remote attacker with ability to upload file on SMB share can upload and execute arbitrary shared library on the server with privileges of the Samba process.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2017-7494
The vulnerability is fixed in versions: 4.6.4, 4.5.10 and 4.4.14.